loop0: detected capacity change from 0 to 32768
gfs2: fsid=syz:syz: Trying to join cluster "lock_nolock", "syz:syz"
gfs2: fsid=syz:syz: Now mounting FS (format 1801)...
gfs2: fsid=syz:syz.0: journal 0 mapped with 9 extents in 0ms
gfs2: fsid=syz:syz.0: first mount done, others may mount
gfs2: fsid=syz:syz.0: found 1 quota changes
gfs2: fsid=syz:syz.0: fatal: filesystem consistency error - inode = 11 2339, function = gfs2_dinode_in, file = fs/gfs2/glops.c, line = 398
gfs2: fsid=syz:syz.0: G:  s:EX n:2/923 f:aqonN t:EX d:EX/0 a:0 v:0 r:2 m:20 p:1
gfs2: fsid=syz:syz.0:  H: s:EX f:H e:0 p:5342 [syz.0.0] gfs2_quota_sync+0x359/0x460 fs/gfs2/quota.c:1357
gfs2: fsid=syz:syz.0:  I: n:11/2339 t:0 f:0x00 d:0x00000000 s:0 p:0
CPU: 0 UID: 0 PID: 5342 Comm: syz.0.0 Not tainted syzkaller #0 PREEMPT(full) 
Hardware name: QEMU Standard PC (Q35 + ICH9, 2009), BIOS 1.16.3-debian-1.16.3-2~bpo12+1 04/01/2014
Call Trace:
 <TASK>
 dump_stack_lvl+0x189/0x250 lib/dump_stack.c:120
 gfs2_withdraw+0xc3/0x1b0 fs/gfs2/util.c:250
 gfs2_dinode_in fs/gfs2/glops.c:-1 [inline]
 gfs2_inode_refresh fs/gfs2/glops.c:486 [inline]
 inode_go_instantiate+0xaa8/0x1210 fs/gfs2/glops.c:507
 gfs2_instantiate+0x168/0x220 fs/gfs2/glock.c:441
 gfs2_glock_holder_ready fs/gfs2/glock.c:1250 [inline]
 gfs2_glock_wait+0x1d4/0x2a0 fs/gfs2/glock.c:1270
 gfs2_glock_nq_init fs/gfs2/glock.h:252 [inline]
 do_sync+0x46f/0xc60 fs/gfs2/quota.c:923
 gfs2_quota_sync+0x359/0x460 fs/gfs2/quota.c:1357
 gfs2_sync_fs+0x4c/0xb0 fs/gfs2/super.c:658
 sync_filesystem+0xee/0x230 fs/sync.c:56
 gfs2_reconfigure+0xbb/0xb20 fs/gfs2/ops_fstype.c:1554
 reconfigure_super+0x227/0x880 fs/super.c:1077
 do_remount fs/namespace.c:3264 [inline]
 path_mount+0xd29/0xff0 fs/namespace.c:4014
 do_mount fs/namespace.c:4035 [inline]
 __do_sys_mount fs/namespace.c:4224 [inline]
 __se_sys_mount+0x313/0x410 fs/namespace.c:4201
 do_syscall_x64 arch/x86/entry/syscall_64.c:63 [inline]
 do_syscall_64+0xfa/0xf80 arch/x86/entry/syscall_64.c:94
 entry_SYSCALL_64_after_hwframe+0x77/0x7f
RIP: 0033:0x7f58ffb8f7c9
Code: ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 a8 ff ff ff f7 d8 64 89 01 48
RSP: 002b:00007f590099a038 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
RAX: ffffffffffffffda RBX: 00007f58ffde5fa0 RCX: 00007f58ffb8f7c9
RDX: 0000000000000000 RSI: 0000200000000000 RDI: 0000000000000000
RBP: 00007f58ffc13f91 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000003376039 R11: 0000000000000246 R12: 0000000000000000
R13: 00007f58ffde6038 R14: 00007f58ffde5fa0 R15: 00007fff636b7308
 </TASK>
gfs2: fsid=syz:syz.0: about to withdraw this file system
------------[ cut here ]------------
kernel BUG at fs/gfs2/quota.c:1520!
Oops: invalid opcode: 0000 [#1] SMP KASAN NOPTI
CPU: 0 UID: 0 PID: 5342 Comm: syz.0.0 Not tainted syzkaller #0 PREEMPT(full) 
Hardware name: QEMU Standard PC (Q35 + ICH9, 2009), BIOS 1.16.3-debian-1.16.3-2~bpo12+1 04/01/2014
RIP: 0010:gfs2_quota_cleanup+0x6ee/0x6f0 fs/gfs2/quota.c:1519
Code: ff 44 89 f1 80 e1 07 80 c1 03 38 c1 0f 8c c2 fd ff ff 4c 89 f7 e8 02 49 22 fe e9 b5 fd ff ff e8 98 61 56 07 e8 a3 62 ba fd 90 <0f> 0b 90 90 90 90 90 90 90 90 90 90 90 90 90 90 90 90 0f 1f 40 d6
RSP: 0018:ffffc9000caefa40 EFLAGS: 00010287
RAX: ffffffff84075f4d RBX: 0000000000000002 RCX: 0000000000100000
RDX: ffffc90020a72000 RSI: 000000000002eed6 RDI: 000000000002eed7
RBP: ffffc9000caefb50 R08: ffff8880401f80af R09: 1ffff1100803f015
R10: dffffc0000000000 R11: ffffed100803f016 R12: 1ffff9200195df4c
R13: ffff888011f35800 R14: dffffc0000000000 R15: 0000000000000000
FS:  00007f590099a6c0(0000) GS:ffff88808d22a000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00007f5900978fc8 CR3: 0000000011ec8000 CR4: 0000000000352ef0
Call Trace:
 <TASK>
 gfs2_make_fs_ro+0x27a/0x300 fs/gfs2/super.c:566
 gfs2_reconfigure+0x6a3/0xb20 fs/gfs2/ops_fstype.c:1594
 reconfigure_super+0x227/0x880 fs/super.c:1077
 do_remount fs/namespace.c:3264 [inline]
 path_mount+0xd29/0xff0 fs/namespace.c:4014
 do_mount fs/namespace.c:4035 [inline]
 __do_sys_mount fs/namespace.c:4224 [inline]
 __se_sys_mount+0x313/0x410 fs/namespace.c:4201
 do_syscall_x64 arch/x86/entry/syscall_64.c:63 [inline]
 do_syscall_64+0xfa/0xf80 arch/x86/entry/syscall_64.c:94
 entry_SYSCALL_64_after_hwframe+0x77/0x7f
RIP: 0033:0x7f58ffb8f7c9
Code: ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 a8 ff ff ff f7 d8 64 89 01 48
RSP: 002b:00007f590099a038 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
RAX: ffffffffffffffda RBX: 00007f58ffde5fa0 RCX: 00007f58ffb8f7c9
RDX: 0000000000000000 RSI: 0000200000000000 RDI: 0000000000000000
RBP: 00007f58ffc13f91 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000003376039 R11: 0000000000000246 R12: 0000000000000000
R13: 00007f58ffde6038 R14: 00007f58ffde5fa0 R15: 00007fff636b7308
 </TASK>
Modules linked in:
---[ end trace 0000000000000000 ]---
RIP: 0010:gfs2_quota_cleanup+0x6ee/0x6f0 fs/gfs2/quota.c:1519
Code: ff 44 89 f1 80 e1 07 80 c1 03 38 c1 0f 8c c2 fd ff ff 4c 89 f7 e8 02 49 22 fe e9 b5 fd ff ff e8 98 61 56 07 e8 a3 62 ba fd 90 <0f> 0b 90 90 90 90 90 90 90 90 90 90 90 90 90 90 90 90 0f 1f 40 d6
RSP: 0018:ffffc9000caefa40 EFLAGS: 00010287
RAX: ffffffff84075f4d RBX: 0000000000000002 RCX: 0000000000100000
RDX: ffffc90020a72000 RSI: 000000000002eed6 RDI: 000000000002eed7
RBP: ffffc9000caefb50 R08: ffff8880401f80af R09: 1ffff1100803f015
R10: dffffc0000000000 R11: ffffed100803f016 R12: 1ffff9200195df4c
R13: ffff888011f35800 R14: dffffc0000000000 R15: 0000000000000000
FS:  00007f590099a6c0(0000) GS:ffff88808d22a000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00007f5900978fc8 CR3: 0000000011ec8000 CR4: 0000000000352ef0